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प्रश्न
What is gypsum?
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उत्तर
Gypsum is calcium sulphate dihydrate, CaSO4.2H2O. That is, gypsum is calcium sulphate containing 2 molecules of water of crystallisation.
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संबंधित प्रश्न
Name the product obtained when Plaster of Paris is mixed with water. State the use of the product. Give two uses of POP.
Write an equation to show the reaction between plaster of Paris and water.
Plaster of Paris should be stored in a moisture-proof container. Explain why?
What is the commercial name of calcium sulphate hemihydrate?
Name the raw material used for the preparation of plaster of Paris.
Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
What is plaster of Paris?
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
- Identify the compound X.
- Write the chemical equation for its preparation.
- For what purpose is it used in hospitals?
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
Write the chemical equation for its preparation
How many molecules of water of crystallisation (per formula unit) are present in:
Gypsum
The chemical formula for plaster of Paris is:
How are detergents manufactured?
At what temperature is gypsum heated to form Plaster of Paris?
______ is used in making blackboard chalks.
Calcium sulphate hemihydrate is called as ______.
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
